Home / 1,037,618.40-1,552,928.40-911,647.20

Finding the Fourth Proportional to 1,037,618.40, 1,552,928.40 and 911,647.20

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Solution

The fourth proportional to 1,037,618.40, 1,552,928.40 and 911,647.20 is: 1,364,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,618.40 : 1,552,928.40 = 911,647.20 : x
  2. Step 2: Convert to fraction form
    1,037,618.40/1,552,928.40 = 911,647.20/x
  3. Step 3: Cross multiply
    1,037,618.40x = 1,552,928.40 × 911,647.20
  4. Step 4: Simplify right side
    1,037,618.40x = 1,415,722,827,660.48
  5. Step 5: Solve for x
    x = 1,415,722,827,660.48/1,037,618.40
  6. Step 6: Final answer
    x = 1,364,396.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.